Error CC 501 can annoy users when they use QuickBooks to connect to their bank for acquiring transaction-related data. Users should follow this walkthrough to get a clear picture of this error and the different ways to fix QuickBooks Error CC 501 .
Primary factors leading to QuickBooks Error CC-501
The error shows-up when direct deposit is being set up.
It can also pop up when you try to open a wrong transaction file.
QuickBooks was not set up properly on your system.
Some routine server maintenance going on at the bank end.
QuickBooks Error C 501 can also be caused due to a broken Windows registry.